/Engine/Source/Editor/UnrealEd/Classes/MaterialGraph/MaterialGraphNode_Comment.h
class UMaterialGraphNode_Comment : public [UEdGraphNode_Comment](API\Editor\UnrealEd\UEdGraphNode_Comment)
FSetMaterialDir...
MaterialDirtyDelegate
Marks the Material Editor as dirty so that user prompted to apply change
TObjectPtr< cla...
MaterialExpressionComment
Material Comment that this node represents